Dining Table Size Calculator

Find the right dining table size for 2–20 people, rectangular, round or square, and the minimum room size with clearances.

Table for 660 × 36 in152 × 91 cm

Minimum room size

11 ft 0 in × 9 ft 0 in

Allow 24 in of table edge per diner (30 in for armchairs) and 36 in clearance to walls (42–48 in for a walkway behind chairs).

Frequently asked questions

Is my data uploaded?

No. The calculation runs entirely in your browser — nothing you type is sent to a server.

Is it free?

Yes — free, unlimited and no sign-up.